From bc1bd1b7423f4eee97bac7ba500938044bd240ae Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Mon, 13 Feb 2017 19:02:18 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9BModel=E7=B1=BBdelete=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95?=
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---
 library/think/Model.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/think/Model.php b/library/think/Model.php
index 42c08410..ebeffbb4 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -1081,7 +1081,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
 
         // 删除条件
         $pk = $this->getPk();
-        if (isset($this->data[$pk])) {
+        if (is_string($pk) && isset($this->data[$pk])) {
             $where = [$pk => $this->data[$pk]];
         } elseif (!empty($this->updateWhere)) {
             $where = $this->updateWhere;